No problem, we've got 1547 and 7879 to multiply
1547 × 7879 = 7879 × (1547)
+ 7879 × 7 yielding 55153
+ 7879 × 40 which equals 315160
+ 7879 × 500 producing 3939500
+ 7879 × 1000 what gives us 7879000

= 12188813
